mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2025-01-20 04:44:26 +08:00
cd02a1a248
Tariq Toukan says:
====================
net/mlx5e: Extend XDP multi-buffer capabilities
This series extends the XDP multi-buffer support in the mlx5e driver.
Patchset breakdown:
- Infrastructural changes and preparations.
- Add XDP multi-buffer support for XDP redirect-in.
- Use TX MPWQE (multi-packet WQE) HW feature for non-linear
single-segmented XDP frames.
- Add XDP multi-buffer support for striding RQ.
In Striding RQ, we overcome the lack of headroom and tailroom between
the RQ strides by allocating a side page per packet and using it for the
xdp_buff descriptor. We structure the xdp_buff so that it contains
nothing in the linear part, and the whole packet resides in the
fragments.
Performance highlight:
Packet rate test, 64 bytes, 32 channels, MTU 9000 bytes.
CPU: Intel(R) Xeon(R) Platinum 8380 CPU @ 2.30GHz.
NIC: ConnectX-6 Dx, at 100 Gbps.
+----------+-------------+-------------+---------+
| Test | Legacy RQ | Striding RQ | Speedup |
+----------+-------------+-------------+---------+
| XDP_DROP | 101,615,544 | 117,191,020 | +15% |
+----------+-------------+-------------+---------+
| XDP_TX | 95,608,169 | 117,043,422 | +22% |
+----------+-------------+-------------+---------+
Series generated against net commit:
|
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.